IVY TECH APHY 101 Midterm Exam 2023

IVY TECH APHY 101 Midterm Exam 2023 The tissue through which gases are exchanged between the blood and the air in the lungs is - ANSWER simple squamous epithelium Body heat is lost primarily by - ANSWER radiation Bone cells form concentric circles around longitudinal tubes called - ANSWER central canals A body has been sectioned in such a way that there is one whole lung per section and the urinary bladder has been split in half. What type of section is this? - ANSWER sagittal Which type of tissue lines the follicles of the thyroid glands? - ANSWER simple cuboidal epithelium The anaerobic reactions of cellular respiration take place in the - ANSWER cytoplasm Which action is the main function of the digestive system? - ANSWER absorption of nutrients A cell is surrounded by an extremely thin, flexible membrane. Why is the membrane selectively permeable? - ANSWER It allows some substances to pass through and excludes others based on size, polarity, and other factors. What type of tissue is adipose tissue? - ANSWER connective tissue The human integumentary system includes - ANSWER skin, nails, hair follicles, and sweat glands DNA and RNA differ in that - ANSWER DNA holds genetic information and RNA uses that information to synthesize protein. Maintaining a stable internal environment typically requires - ANSWER negative feedback mechanism Transcription and translation differ in that - ANSWER transcription produces RNA and translation produces protein. Endoplasmic reticulum is best described as a - ANSWER network of interconnected membranes The major blood vessels that supply the skin are in the - ANSWER dermis Matter is composed of elements, which are composed of __________. - ANSWER atoms For which of the following organelles are the structure and function correctly described? - ANSWER Endoplasmic reticulum —a network of interconnected membranes forming sacs and canals that packages protein molecules for secretion Which of the following are cellular fragments? - ANSWER blood platelets Homeostasis exists if concentrations of water, nutrients, and oxygen in the body are balanced and heat and pressure __________. - ANSWER remain within certain limited ranges An isotonic solution - ANSWER has the same osmotic pressure as the cells in the solution Which of the following characteristics of life and their descriptions is correct? - ANSWER Circulation —the movement of substances in body fluids Which of the following characteristics is used to name tissue types? - ANSWER organization of cells The isotope most likely to be used to study the thyroid gland is - ANSWER iodine-131 The type of epithelium that lines the urinary bladder and many of the urinary passageways is - ANSWER transitional ATP is important to cellular processes because it - ANSWER provides energy for cellular work when the terminal, high-energy bond is broken. In phagocytosis - ANSWER a cell membrane engulfs solid particles. Anatomy and physiology are difficult to separate because - ANSWER physiological functions depend on anatomical structures. A burn affecting only the epidermis is a - ANSWER superficial partial-thickness burn In treating a burn patient, the "rule of nines" is used to estimate the - ANSWER surface area of the burn.